Across
- 4. What type of animal is dolphin?
- 5. What is the largest organ in the human body?
- 6. What is the only metal that is liquid at room temperature?
- 8. What is the unit of force in physics?
- 9. How many colours are there in the rainbow?
Down
- 1. Which mammal is known to lay eggs?
- 2. Which Planet is known as the Red Planet?
- 3. What do we call animals that eat both plants and animals?
- 7. What part of a plant absorbs water and nutrients from the soil?